Language: English

Wi-Fi Fundamentals LiveLessons is a video tutorial that provides users with over seven hours of personal, visual instruction from wireless expert and instructor Jerome Henry. The tutorial contains a series of short instructional videos that demonstrates the concepts and mechanics behind RF, Wi-Fi networks, and 802.11 frame exchanges.Wi-Fi Fundamentals LiveLessons contains 8 individual videos lessons, subdivided into 48 sublessons, for a total of more than six hours of instruction. The videos consist of audio instruction and animations. Each video presents detailed objectives and video captures. Audio instruction throughout offers detailed explanations and tips.

Lesson 1Lesson 1: Connecting without WiresLesson 1: 'Connecting without Wires' is an introductory lesson that will guide you through the concepts, of WPAN, WLAN, SSID, ad-hoc vs. infrastructure, roaming, and also introduce you to specialized wireless devices, such as mesh APs, repeaters and Workgroup Bridges. It will also explain the role of the IEEE and of the Wi-Fi Alliance.Duration: 00:25:17 File Size: 49 MB???????????????????????????????????????????Lesson 2Lesson 2: Sending a Signal: Powers and Power Maths in Wi-FiLesson 2: 'Sending a Signal: Powers and Power Maths in Wi-Fi', you will discover in this lesson that with some basic rules, you can immediately estimate the range of a wireless AP, compare antennas and determine if a wireless signal will be strong enough at a given location to provide the data rate you need.Duration: 00:30:45 File Size: 60 MB??????????????????????????????????????????????Lesson 3Lesson 3: Sending a Signal: AntennasLesson 3: 'Sending a Signal: Antennas' this lesson will show you how to decipher the antennas radiation pattern schemes provided by antenna vendors, and how to choose the right antenna for your network. It will also guide you through the various accessories that can be added to the antenna itself (attenuator, amplifiers, lightning arrestors) to tune its signal, while providing you the information you need to make sure that your installation respects the local regulations.Duration: 00:40:29 File Size: 81 MB?????????????????????????????????????????????????????????????????

Lesson 4Lesson 4: Sending RF Signals: Overcoming Distance and ObstaclesLesson 4: 'Sending RF Signals: Overcoming Distrance and Obstacles' will guide you through the different factors that affect traveling RF signals, including free-space losses, obstacles, multipath, and also non-802.11 interferers. This lesson will help you determine the right "link budget" that will send the right signal, at the right power level and with the right shape.Duration: 00:51:39 File Size: 104 MB?????????????????????????????????????????????????????Lesson 5Lesson 5: Converting Bits into RF WavesLesson 5: 'Converting Bits into RF Waves' will explain these different techniques used to encode bits into RF signals, allowing you to understand why some devices will get 1 Mbps while others, connected to the same AP, get several hundreds of Mbps.Duration: 00:56:44 File Size: 111 MB????????????????????????????????????????????????????????????????????Lesson 6Lesson 6: Ever Faster Wi-FiLesson 6: 802.11 and Ever Faster Wi-Fi will guide you through this evolution of the 802.11 standard, and explain the different techniques put in place to allow for increased speeds. 802.11 is not just about speed, but also about "better, more efficient networks", and this lesson will also guide you through the features of the evolving 802.11 standard.Duration: 01:31:13 File Size: 173 MB????????????????????????????????????????????????????????????Lesson 7Lesson 7: Wi-Fi SecurityLesson 7: 'Wi-Fi Security' will guide you through the various forms of security available for Wi-Fi networks. You will understand why Wi-Fi has the reputation of being insecure, and how following simple good practices can render your Wi-Fi network more secure than most wired LANs.Duration: 00:53:25 File Size: 100 MB????????????????????????????????????????????????????????????????????Lesson 8Lesson 8: Crafting and Exchanging 802.11 framesLesson 7: 'Crafting and Exchanging 802.11 frames' will guide you through the choreography of 802.11 frame exchanges, to help you understand management, control, data frames, timers, QoS, and all other elements that allow for a successful Wi-Fi communications.Duration: 01:31:45 File Size: 169 MB

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